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All Journal Jurnal Ilmiah Biosaintropis (Bioscience-Tropic) Jurnal Biologi Tropis JMM (Jurnal Masyarakat Mandiri) ORBITA: Jurnal Pendidikan dan Ilmu Fisika KONSTAN - JURNAL FISIKA DAN PENDIDIKAN FISIKA Jurnal Pengabdian Magister Pendidikan IPA Jurnal Pendidikan Fisika dan Teknologi EIGEN MATHEMATICS JOURNAL Indonesian Physical Review Kappa Journal Jurnal Pengabdian Masyarakat Sains Indonesia (Indonesian Journal Of Science Community Services) Jurnal Abdi Insani Jurnal Warta Desa (JWD) MASALIQ: Jurnal Pendidikan dan Sains Dharma Pengabdian Perguruan Tinggi (DEPATI) Progressive Physics Journal Journal of Multidisciplinary Science: MIKAILALSYS IJMST Media for Empowerment, Mobilization, and Innovation in Research & Community
Dian Wijaya Kurniawidi
Program Studi Fisika, Fakultas Matematika Dan Ilmu Pengetahuan Alam, Universitas Mataram
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Earthquake and Tsunami Disaster Risk Mapping and Mitigation Strategy in Torok Aik Belek Hamlet: Community-Based Approach Syamsuddin Syamsuddin; Rahmatun Inayah; Ika Umratul Asni Aminy; Adella Ulyandana Jayatri; Kormil Saputra; Suhayat Minardi; Alfina Taurida Alaydrus; Dian Wijaya Kurniawidi
Media for Empowerment, Mobilization, and Innovation in Research & Community Vol. 1 No. 1 (2025): January-June
Publisher : Future Tecno-Science Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59535/nfzp4m45

Abstract

Indonesia has a high level of geological disaster threat due to its location at the meeting point of three tectonic plates, making coastal areas, such as Lombok Island, very vulnerable to earthquakes and tsunamis. Although Lombok has a history of earthquakes (2018) and tsunamis (1977), initial observations in Torok Aik Belek Hamlet, South Lombok, show that community awareness and preparedness for disaster mitigation are still low, exacerbated by unverified information on social media and the perception of underestimating potential hazards. This study aims to conduct participatory earthquake and tsunami risk mapping in Torok Aik Belek Hamlet and develop community-based mitigation strategies. The implementation methods include initial assessment, coordination with BMKG, presentation of materials, interactive counseling, and community empowerment as a disaster preparedness team. The results of the activities show clear identification of disaster-prone locations (for example, residential areas near the coast and concrete buildings) and vulnerable groups. Utilization of local potential, such as hills as evacuation routes and disaster-resilient village status, is the basis for developing disaster mitigation strategies. The formation of a local community in Torok Aik Belek Hamlet involving residents and members of the Disaster Resilient Village is a crucial step. It is hoped that this effort can significantly increase the preparedness of the Torok Aik Belek Hamlet community and contribute to an adaptive and sustainable community-based mitigation development model.
PENYELARASAN LARGE LANGUAGE MODEL SEBAGAIASISTEN PEMBELAJARAN DI SMAN 1 GERUNG Ramadian Ridho Illahi; Suhayat Minardi; Dian Wijaya Kurniawidi; Arif Budianto; Adella Ulyandana Jayatri; Nurul Qomariyah; Lily Syahana Rahim
Dharma Pengabdian Perguruan Tinggi (DEPATI) Vol 5 No 2 (2025): November 2025
Publisher : Fakultas Sains dan Teknik, Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/31sdgv53

Abstract

Pembelajaran fisika sering kali menjadi tantangan, terutama karena kompleksitas materi serta metode pengajaran konvensional yang kurang mendukung kebutuhan individu siswa. Guru menghadapi keterbatasan waktu dan sumber daya untuk memberikan perhatian personal kepada setiap siswa, sementara platform berbasis kecerdasan buatan (AI) yang tersedia belum sesuai dengan kurikulum nasional. Pengabdian ini bertujuan mengembangkan aplikasi tutor virtual berbasis AI untuk mendukung pembelajaran fisika yang adaptif dan relevan. Aplikasi ini dirancang untuk menyajikan materi sesuai kurikulum, memberikan penjelasan interaktif, memantau kemajuan siswa, dan menyediakan umpan balik konstruktif. Metode yang digunakan mencakup analisis kebutuhan sekolah mitra, pengembangan kurikulum digital, implementasi teknologi Large Language Model (LLM), serta uji coba di sekolah mitra. Hasil pelatihan menunjukkan peningkatan signifikan dalam pemahaman konsep dan kemampuan menyusun solusi berbasis AI, dengan 85% peserta berhasil menciptakan prototipe model kontekstual. Untuk menjamin keberlanjutan, disusun repositori digital terbuka dan klinik virtual sebagai pusat dukungan teknis dan kolaborasi. Inisiatif ini membuktikan bahwa LLM dapat menjadi alat efektif untuk personalisasi pembelajaran sains yang diharapkan dapat meningkatkan kualitas pembelajaran fisika secara signifikan.
Effect of Polyol Synthesis Parameters on Particle Size and Crystal Size of ZnO: A Systematic Review Kormil Saputra; Rizka Ayu Fitri; Dian Wijaya Kurniawidi
MASALIQ Vol 6 No 4 (2026): MASALIQ: Jurnal Pendidikan dan Sains
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v6i4.10508

Abstract

Zinc oxide nanoparticles (ZnO NPs) are semiconductor oxide materials that have been widely developed because of their high chemical stability, relatively low synthesis cost, and broad potential applications in photocatalysis, sensors, pigments, catalysts, optical materials, and nanofluid systems. Particle size and crystallite size are critical parameters because they directly influence surface area, crystallinity, morphology, charge transfer, and the functional performance of ZnO. This study aims to examine the effects of synthesis parameters in the polyol method on the particle size and crystallite size of ZnO-based nanomaterials through a systematic literature review. Relevant literature published between 2021 and 2026 was collected from Scopus, ScienceDirect, and Google Scholar using Boolean search strategies. The selected articles were screened based on predetermined inclusion and exclusion criteria and analyzed using a descriptive-comparative approach. The review findings indicate that the polyol method influences the morphostructural characteristics of ZnO through several synthesis variables, including the type of polyol, precursor ratio, water content, base concentration, reaction temperature, reaction time, surfactants, stabilizers, and post-synthesis treatment. Ethylene glycol and diethylene glycol tend to support the formation of ZnO with smaller crystallite size and more controlled morphology, whereas prolonged reaction time and high-temperature calcination may increase crystal growth. In addition, doping and the use of surfactants can restrict crystal growth and reduce agglomeration. This review concludes that the polyol method is effective for controlling the particle size and crystallite size of ZnO; however, simultaneous optimization of synthesis parameters is required to obtain ZnO nanomaterials with morphostructural characteristics suitable for functional applications.
Pengaruh Parameter Green Sintesis TiO₂ Berbasis Metode Solvotermal terhadap Ukuran Partikel dan Ukuran Kristal: A Systematic Review Dian Wijaya Kurniawidi; Kormil Saputra; Nur Azzahra Al Radhiyah; Indrawan Eka Badri; Ika Umratul Asni Aminy
MASALIQ Vol 6 No 4 (2026): MASALIQ: Jurnal Pendidikan dan Sains
Publisher : Lembaga Yasin AlSys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/masaliq.v6i4.10523

Abstract

Titanium dioxide (TiO₂) is a semiconductor material widely used in photocatalysis, sensor, energy conversion, and environmental remediation applications because its performance is strongly influenced by structural characteristics, particularly particle size, crystal size, morphology, and crystal phase. This systematic review aims to analyze the influence of green synthesis parameters based on the solvothermal method on the particle size and crystal size of TiO₂. Articles were collected from the Scopus, ScienceDirect, and Google Scholar databases within the 2021–2025 publication range using combinations of Boolean keywords related to solvothermal synthesis, TiO₂, and green synthesis. Article selection was conducted based on inclusion and exclusion criteria emphasizing original research articles, the use of the solvothermal method, a green synthesis approach, and the availability of material characterization data. The review results showed that four articles met the inclusion criteria, with variations in TiO₂ particle size ranging from 25.41 to 100 nm and crystal size ranging from 0.96 to 31.9 nm. Parameters such as precursor type, solvent, green extract, solvothermal temperature, and processing time played important roles in regulating nucleation, crystal growth, surface stabilization, and particle agglomeration. The smallest particle size was obtained in the titanium isopropoxide–deionized water–banana peel system at 100 °C, whereas modified systems such as Ag-doped TiO₂ and TiO₂@g-C₃N₄ showed that application performance is determined not only by particle size but also by electronic engineering and interface structure. The conclusion of this review affirms that the optimization of green solvothermal synthesis of TiO₂ needs to be directed toward integrated control of particle size, crystal size, crystal phase, morphology, and application performance. The implications of this review contribute to the development of more targeted, efficient, and relevant green TiO₂ synthesis for sustainable functional material applications.
Isolasi Kitosan dari Cangkang Kerang Mutiara (Pinctada maxima) Menggunakan Deasetilasi Dengan Gelombang Mikro Susi Rahayu; Aulia Safitri Destrianingtyas; Ramadian Ridho Illahi; Dian W. Kurniawidi
Kappa Journal Vol 8 No 2 (2024): Kappa Journal
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v8i2.27166

Abstract

Kitosan merupakan biopolimer turunan dari hasil deasetilasi kitin, yang berkembang pesat di dunia medis saat ini. Kitosan salah satu material yang memiliki sifat anti mikroba, biokompatibel, dan biodegradable sehingga aman bagi tubuh manusia. Penelitian ini dilakukan untuk mengidentifikasi pengaruh daya gelombang mikro terhadap karakteristik kitosan. Pembuatan kitosan dengan mengisolasi kitosan dari cangkang kerang Mutiara (Pinctada maxima sp) melalui proses deproteinasi, demineralisasi, dan deasetilasi. Kitosan di analisis gugus fungsi, derajat deasetilasi, rendemen, berat molekul, dan struktur kristalnya. Pada tahapan deasetilasi mengunakan NaOH 60%. Hasil penelitian menunjukkan bahwa pemberian gelombang mikro dengan daya high selama 5 menit memperoleh nilai derajat deasetilasi tertinggi 83,40%, rendemen akhir sebesar 8,2%, dan berat molekul 222.185,94 Da, serta memiliki derajat kristalinitas sebesar 59,09%. Derajat deasetilasi kitosan meningkat seiring dengan naiknya daya gelombang mikro sedangkan berat molekul yang dihasilkan berbanding terbalik dengan derajat deasetilasi.
Pengaruh Variasi Suhu Kalsinasi terhadap Struktur Kristal dan Sifat Mekanik Hidroksiapatit dari Limbah Cangkang Kerang Mutiara Susi Rahayu; Dian W. Kurniawidi; Siti Rubi’ah; Hurnah Hurnah; Abdul Gani; Siti Alaa
Kappa Journal Vol 9 No 3 (2025): Kappa Journal
Publisher : Universitas Hamzanwadi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29408/kpj.v9i3.33013

Abstract

Hydroxyapatite (HAp is widely known as a promising biomaterial because its chemical composition closely resembles that of human bone and teeth, making it suitable for biomedical uses such as bone tissue engineering and implant materials. This study explores how variations in calcination temperature (750–950 °C) affect the crystal structure and mechanical properties of HAp synthesized from Pinctada maxima shells—a calcium-rich biogenic waste. The crystal structure was analyzed using X-ray Diffraction (XRD), while mechanical properties were evaluated using a Tensilon testing machine. The XRD results showed a phase shift from the dominance of tricalcium phosphate (TCP) at low temperatures towards the dominant HAp phase at high calcination temperatures with improved crystallinity from 33.94% to 45.89%. The mechanical tests showed compressive strength values of 0.1981 to 0.3148 MPa and the elastic modulus of 14.941 to 26.721 MPa. The higher calcination temperature tends to increase the cristallinity, density, and compressive strength, but reduced elasticity due to a stiffer internal structure. These results indicate that changes in crystal structure have a direct effect on increasing the compressive strength and stiffnes of the material.  This study confirms the potential ofPinctada maxima shells as a sustainable calcium source for producing high-quality hydroxyapatite suitable for biomedical applications.
The effect of microemulsion method on the characteristics of Fe3O4/TiO2 material and its relationship with performance in methylene blue degradation: A Systematic Review Fauziana Hidayat; Kormil Saputra; Dian Wijaya Kurniawidi
Progressive Physics Journal Vol. 7 No. 1 (2026): Progressive Physics Journal
Publisher : Program Studi Fisika, Jurusan Fisika, FMIPA, Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30872/a2enhy22

Abstract

TiO2-based photocatalysis offers a potential solution, but it has limitations, including high electron–hole recombination and difficulty in separating the catalyst after the reaction. The development of Fe3O4/TiO2 nanocomposites via the microemulsion method was conducted to enhance performance while facilitating catalyst separation. This study aims to examine the influence of the microemulsion method on material characteristics, characterization results, and their relationship to methylene blue degradation performance. The study was conducted using a systematic review with a PRISMA-compliant approach on literature from Scopus over the past 10 years. The selection process yielded five relevant articles. The microemulsion method was proven capable of producing nanoparticles (8–50 nm) with a homogeneous distribution and a mesoporous structure with a high surface area. XRD and SEM characterization results showed a dominance of the anatase phase or a mixture of anatase-rutile, which plays a role in enhancing charge separation. Photocatalytic performance showed a methylene blue degradation efficiency of up to approximately 90% within 60 minutes under sunlight. The improved performance was influenced by small particle size, high surface area, pore structure, and crystal phase composition. The addition of Fe3O4 has the potential to enhance electron transfer, suppress recombination, and facilitate catalyst separation through its magnetic properties. The microemulsion method plays a direct role in controlling the structure and characteristics of the material, which leads to improved photocatalytic performance of Fe3O4/TiO2 in the degradation of methylene blue.
Optimization of Sol-Gel-Derived TiO2-Based Thin Films for Methylene Blue Photodegradation: A Systematic Review Kormil Saputra; Suci Indriati Putri; Dian Wijaya Kurniawidi
Journal of Multidisciplinary Science: MIKAILALSYS Vol 4 No 2 (2026): Journal of Multidisciplinary Science: MIKAILALSYS
Publisher : Darul Yasin Al Sys

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58578/mikailalsys.v4i2.10505

Abstract

TiO₂-based thin films are among the most widely developed photocatalytic materials for degrading organic pollutants because of their chemical stability, low toxicity, relatively low production cost, and compatibility with various deposition methods. However, their photocatalytic performance is strongly influenced by synthesis parameters, crystal phase, particle size, crystallite size, morphology, substrate type, and material modification strategies. This review aims to analyze the relationship between TiO₂ thin-film synthesis parameters and methylene blue degradation efficiency based on 14 articles published between 2015 and 2024. The findings indicate that the sol-gel method is the most dominant synthesis approach, applied through dip coating, spin coating, drop coating, spray coating, and combinations with electrodeposition and magnetron sputtering. A thermal treatment range of 450–600 °C was identified as the most effective condition because it promotes anatase crystallinity while minimizing excessive crystal growth and agglomeration. High photocatalytic performance was generally associated with anatase phase dominance, small to moderate crystallite size, open or uniformly distributed morphology, and material modifications that improve charge separation. Among the reviewed modified materials, the optimum condition was achieved in 40PVP/SnO₂/TiO₂ thin films calcined at 600 °C for 2 h, with a crystallite size of approximately 8.6 nm and methylene blue degradation of about 90.4%. For pure TiO₂ thin films, the optimum condition was obtained through heat-assisted sol-gel spin coating with 48 h sol aging and annealing at 600 °C, producing a crystallite size of approximately 10–15 nm and methylene blue degradation of about 92.90%. This review concludes that optimizing TiO₂ thin films should not focus solely on reducing crystallite size but should integrate control of phase composition, crystallinity, morphology, and charge separation efficiency. The study contributes to photocatalytic material development by synthesizing key synthesis-performance relationships that can guide future optimization of TiO₂-based thin films for organic pollutant degradation.
Vibrational, Optical Band Gap, Urbach Energy, and Thermal Activation Analysis of TiO2/CaTiO3 Perovskite Kormil Saputra; Dian Wijaya Kurniawidi; Aws M Aseer Nejres
Indonesian Journal of Modern Science and Technology Vol. 2 No. 1 (2026): January
Publisher : CV. Abhinaya Indo Group

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64021/

Abstract

TiO₂/CaTiO₃ is an oxide perovskite with considerable potential for photocatalytic, optical-sensing, and semiconductor-based functional-material applications. This study aimed to evaluate the vibrational characteristics, optical properties, band gap energy, Urbach energy, and kinetic and activation thermodynamic parameters of TiO₂/CaTiO₃.. The material was characterized using FTIR, UV–Vis spectroscopy, Kubelka–Munk analysis, Tauc plots, and Differential Thermal Analysis (DTA). The FTIR results revealed characteristic absorption bands in the low-wavenumber region associated with Ti–O, Ti–O–Ti, and Ca–O–Ti vibrations, indicating the formation of the TiO₂/CaTiO₃ perovskite framework. The UV–Vis spectrum showed dominant absorption in the ultraviolet region with an extension toward the visible region. Kubelka–Munk analysis yielded direct and indirect band gap energies of 2.896 and 2.897 eV, respectively, whereas the Tauc-plot method produced values of 2.894 and 2.896 eV. The Urbach energies obtained using the Kubelka–Munk approach ranged from 0.173 to 0.189 eV, while the Tauc-plot approach yielded 0.449–0.686 eV. These differences demonstrate the sensitivity of the estimation method to the baseline and fitting region and indicate the presence of tail states associated with optical disorder. DTA analysis showed a peak temperature of 623.31 K, with Ea = 7.853 kJ mol-1, ΔH* = 1.511 kJ mol-1, ΔG* = 233.89 kJ mol-1, ΔS* = −301.26 J mol-1 K-1, and ln A = −5.238. Overall, TiO2/CaTiO3 exhibited vibrational, optical, and thermal characteristics that support its potential as an oxide-perovskite functional material.
Co-Authors ABDUL GANI Abdul Gani Adella Ulyandana Jayatri Alaa, Siti Alfina Taurida Alaydrus Amrul Ikhsan Arif Budianto Arif Budianto Aulia Safitri Destrianingtyas Aws M Aseer Nejres Baiq Nurul Alya Baiq R. S. Yusuf Bakti Sukrisna Dodi Mariadi Ervina Sandra Dewi Eva Nurhaliza Fauziana Hidayat Gaoura Valentina Handayana, I Gusti Ngurah Yudi Hasmiyatni Hasmiyatni Hurnah Hurnah I Wayan Ari Makmur I Wayan Sudiarta Ika Umratul Asni Aminy Indrawan Eka Badri Intan Utami Irma Pratiwi Iwan Sumarlan Kholik Hidayatullah Kormil Saputra Kormil Saputra Kormil Saputra Laili Mardiana Lalu Sahrul Hudha Lily Syahana Rahim Marlita Yudiawati Mar’atus Solihah Muhammad Fajrin Muhammad Zuhdi Nadila Rahmawati Nur Azzahra Al Radhiyah NURUL QOMARIYAH Nurul Qomariyah Rahmatun Inayah Ramadian Ridho Illahi Ridho Ahyana Rinarto Subroto Rizka Ayu Fitri Ronodirdjo, Muhammad Zuhdi Sinta Devi Hariyanti Siti Alaa’ Siti Rubi’ah Sri Mulyani Suci Indriati Putri Suhayat Minardi Suhayat Minardi Susi Rahayu Syahrial A Syahrial Ayub Syahrial Ayub Syamsuddin Syamsuddin Syamsuddin Syamsuddin Syamsuddin Syamsuddin Syamsuddin Teguh Ardianto, Teguh Wirawan, Rahadi Yulia Satriadi Yunitun Tamara